Device and method for recording information

G - Physics – 11 – B

Patent

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G11B 20/12 (2006.01) G11B 27/00 (2006.01) G11B 27/10 (2006.01) G11B 27/19 (2006.01) G11B 27/24 (2006.01) G11B 27/30 (2006.01) G11B 27/32 (2006.01)

Patent

CA 2415497

A method and device for recording multiple information volumes on a record carrier, usually called multi-session recording, is described. The device has control means (20) for recording and retrieving position data indicative of the position of the recorded information volumes. The control means include a mapping unit (31) for creating a session map zone. In the session map zone session map blocks (SEM) are recorded that contain the position data of closed sessions, i.e. sessions that have been completely recorded, in session items. Further the device has a detection unit (32) for retrieving the session map block from said session map zone.

La présente invention concerne un procédé et un dispositif pour enregistrer plusieurs volumes d'informations sur un support d'enregistrement, opération communément désignée comme enregistrement multisession. Ledit dispositif comprend des systèmes de commande (20) conçus pour enregistrer et récupérer des données de position qui indiquent la position des volumes d'informations enregistrés. Ces systèmes de commande comprennent une unité de cartographie (31) conçue pour créer une zone de carte de session dans laquelle sont enregistrés des blocs de carte de session (SEM) qui contiennent les données de position de sessions achevées, c'est-à-dire de sessions qui ont été complètement enregistrées, dans des éléments de session. Le dispositif selon cette invention comprend également une unité de détection (32) conçue pour récupérer le bloc de carte de session de ladite zone de carte de session.

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